I haven't been in these forums since back in the day of the Vetta , but spent most of my time in Vettaville/Institute of Noise.I was browsing through for some old links, I see the old data base is gone.
I can report that the Variax 300 and 500 work perfectly with Workbench,Gearbox using an X3 Live as the Interface.
Older machine, I have been using with my "older " gear since 2006.. XPS M1710 T7600G Core2Duo 4GB RAM... Windows 10 LTSB...
ALL programs and drivers installed without any connectivity issues or need for compatibility mode.
Windows 10...Line 6 Monkey v1.74...Line 6 Drivers v4.2.7.6...GearBox v3.72...Variax Workbench v1.75